cliff? chris and senior writer for the weekly standard, steven hayes the guests here tonight. we begin with the dictator trying to maintain command of the country using chemical weapons as a deterrent. fox news chief washington correspondent james rosen has the latest for us in this report. >> a regime helicopter captured in the skies in syria in a video unloads something, most likely, a defensive flair to detour antirebel runners, but that epitomizes the fear of which the serian people now live. rebel forces taking the flight to the assad regime inside the capital with a deadly explosion in the arab red crescent building outside the city. >> it's very clear the regime forces are being grounded down and that they are losing. >> in seeking to squash the uprising, he killed 40,000 people. president obama's top aids feel the fightg takes on a more gruesome character. >> we remain very concerned, very concern that as the opposition advances, i particular on damascus, that the regime might very w